63827645 has 48 divisors (see below), whose sum is σ = 95344128. Its totient is φ = 40803840.

The previous prime is 63827597. The next prime is 63827653. The reversal of 63827645 is 54672836.

It is a happy number.

It is not a de Polignac number, because 63827645 - 2¹⁴ = 63811261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264725 + ... + 264965.

It is an arithmetic number, because the mean of its divisors is an integer number (1986336).

Almost surely, 2^63827645 is an apocalyptic number.

It is an amenable number.

63827645 is a deficient number, since it is larger than the sum of its proper divisors (31516483).

63827645 is a wasteful number, since it uses less digits than its factorization.

63827645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 323 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 63827645 is about 7989.2205502164. The cubic root of 63827645 is about 399.6406042668.

The spelling of 63827645 in words is "sixty-three million, eight hundred twenty-seven thousand, six hundred forty-five".